MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6e567b85bb3353470cbb04e6b934b7fb9c968b36eabee877fa5a7afec9ee2b0. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



GuLoader


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: e6e567b85bb3353470cbb04e6b934b7fb9c968b36eabee877fa5a7afec9ee2b0
SHA3-384 hash: 23c258b4a2910f89891078f84cf71a81ccf74c52868004dcfda5e6f3479d51ff68305c302e0a118a3806615e3763c819
SHA1 hash: c86859f1fd28a508fe4390466bb25eea7fe81348
MD5 hash: e7fac452a775802b62ecbfca074cf07b
humanhash: double-michigan-april-west
File name:BBVA-Confirming Factura.rar.exe
Download: download sample
Signature GuLoader
File size:282'249 bytes
First seen:2022-07-11 12:31:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla)
ssdeep 6144:91ssj6pU6jKfwAf17mUFEuwMMMMMMMMMMMMMMMMMMYMMMMMMMMMMMMMMMMMMUlKR:4sW/2wAf17FGMMMMMMMMMMMMMMMMMMYn
Threatray 3'352 similar samples on MalwareBazaar
TLSH T17D54027172D0C9E7D8520A30283FA2324EB6B8656555470F2BA42B1E7FB5342C7EE376
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c89498848c9c98f0 (5 x GuLoader)
Reporter pr0xylife
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BBVA-Confirming Factura.rar.exe
Verdict:
Malicious activity
Analysis date:
2022-07-11 16:57:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Drops PE files to the document folder of the user
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-07-11 11:18:29 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
e6e567b85bb3353470cbb04e6b934b7fb9c968b36eabee877fa5a7afec9ee2b0
MD5 hash:
e7fac452a775802b62ecbfca074cf07b
SHA1 hash:
c86859f1fd28a508fe4390466bb25eea7fe81348
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments